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Fbh remote running time
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Felstmiester
 


Member Since: 12 Dec 2016
Location: Hertfordshire
Posts: 176

England 2006 Discovery 3 TDV6 HSE Lux Auto Java BlackDiscovery 3
Fbh remote running time

Does anyone know if you can change the running time on the early bas fbh controller? Mine runs for 30 mins but when I fire her up she ticks over lumpy and won’t rev. Car seems to start and run more normal when fbh remote is not used.
  
Post #19125388th Feb 2018 9:09 pm
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trailhound
 


Member Since: 27 Aug 2015
Location: Colchester
Posts: 408

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Bonatti GreyDiscovery 3

Mine did this with oldish battery. I think... FBH ran for a bit until battery volts dropped. When I go out to start up, I've got low volts and FBH only run for 10 minutes or so (as stopped to preserve battery), hence lumpy start.
 Happy to help with: Grill upgrade, LED Rear Lights/resistors, Side steps, Webasto timer, oils in engine, auto-box, diffs, transfer, Auxiliary belt & fan Fixed: gearbox pivot, leaking scuttle panel, A pillar clips, Bluetooth mod, boot handle switch, brake light switch, Upper tailgate latch.  
Post #19125438th Feb 2018 9:14 pm
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Felstmiester
 


Member Since: 12 Dec 2016
Location: Hertfordshire
Posts: 176

England 2006 Discovery 3 TDV6 HSE Lux Auto Java BlackDiscovery 3

Fbh definitely runs for 30 mins as I’ve checked. Battery seems fine ie how it cranks the engine. I’ve recently changed the water temp sensor and the oil temp sensor because I’ve herd those can cause the problem. I only fitted the fbh remote because the disco takes for ever to heat the cabin. It’s pretty frustrating that it makes the car start worse when it’s used though lol.
  
Post #19125488th Feb 2018 9:26 pm
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zinke
 


Member Since: 22 Feb 2014
Location: Scunthorpe
Posts: 470

2006 Discovery 3 TDV6 S Manual Zermatt SilverDiscovery 3

You definitely have a problem else where, running the fbh should only make it start better. Maybe search for the problem you have and ignore the fact your using the fbh, I’m sure you will get a few results to point you in the right direction.

Pete.
 Nanocom and workshop facility's available.  
Post #19127759th Feb 2018 1:32 pm
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Felstmiester
 


Member Since: 12 Dec 2016
Location: Hertfordshire
Posts: 176

England 2006 Discovery 3 TDV6 HSE Lux Auto Java BlackDiscovery 3

Believe me I have searched on here and over on the rrs forum as well as google. The fact it starts fine without running fbh definitely points to the fact it’s something to do with the engine thinking it’s warm and cutting the glow plug cycle out ( let’s face it the engine should be warm ) the fact that it does this after running the fbh for 30 mins is not normal as I’ve read story’s where people’s discos or rr have completely shot glow plugs and running a fbh for 30 mins totally solves the non starting issue. As said ours doesn’t have a problem starting without. Only other thing I’ve read that possibly could cause this problem is water temp sensor or oil temp sensor. These have both recently been done. There is only one forum member that I know of that has the exact same problem but he’s said it doesn’t bother him that his ticks over lumpy as he just leaves it ticking over for a few minutes and it clears itself. It really is a rare one.
  
Post #19127899th Feb 2018 2:14 pm
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TigerRecovery
 


Member Since: 31 May 2017
Location: Rugby
Posts: 357

Wales 2013 Discovery 4 3.0 SDV6 HSE Auto Orkney GreyDiscovery 4

When you start up, what does the temperature gauge read? If the FBH is warming the water, but it's not being circulated around the engine, the engine could think it's either hot (localised heating of the sensor) and not switching the glow plugs when the engine is actually still cold.

I don't know if there's any diagnostic on the pump?

The other thing is could it be the engine thermostat is stuck open which causes the FBH to try and heat too much of the engine?
 1972 Range Rover Classic 2 door V8
2001 Mercedes Sprinter 4x4 with winch
2013 Land Rover Discovery 4 HSE
2017 Land Rover Discovery Sport HSE Black (The wife's car) 
 
Post #19127959th Feb 2018 2:51 pm
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tayaste
 


Member Since: 15 May 2013
Location: Chester
Posts: 7082

United Kingdom 2008 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3
Re: Fbh remote running time

Felstmiester wrote:
Does anyone know if you can change the running time on the early bas fbh controller? Mine runs for 30 mins but when I fire her up she ticks over lumpy and won’t rev. Car seems to start and run more normal when fbh remote is not used.


I have set mine to run for 45 mins.
Turn dip switch 1 on
   
Post #19127979th Feb 2018 2:58 pm
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Felstmiester
 


Member Since: 12 Dec 2016
Location: Hertfordshire
Posts: 176

England 2006 Discovery 3 TDV6 HSE Lux Auto Java BlackDiscovery 3


TigerRecovery wrote:
When you start up, what does the temperature gauge read? If the FBH is warming the water, but it's not being circulated around the engine, the engine could think it's either hot (localised heating of the sensor) and not switching the glow plugs when the engine is actually still cold.

I don't know if there's any diagnostic on the pump?

The other thing is could it be the engine thermostat is stuck open which causes the FBH to try and heat too much of the engine?
this is after 30min fbh run from cold before cranking.  
Post #19128259th Feb 2018 4:17 pm
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 4499

England 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

If the rad thermostat is not closing it will take forever to heat the water up, simple test with an infra-red thermometer.
Are you sure it's running the full 30 minuets with fuel as low as that?- if the low fuel light comes on the FBH will go off.
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #19128469th Feb 2018 5:17 pm
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Felstmiester
 


Member Since: 12 Dec 2016
Location: Hertfordshire
Posts: 176

England 2006 Discovery 3 TDV6 HSE Lux Auto Java BlackDiscovery 3

Definitely running the full 30 mins. I’ve timed it on a couple of occasions to make sure.
  
Post #19128509th Feb 2018 5:30 pm
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 4499

England 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

Feel the rad for heat before you start the engine after the FBH has been running and again 10 minutes after starting the engine it should be stone cold.
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #19128549th Feb 2018 5:35 pm
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Felstmiester
 


Member Since: 12 Dec 2016
Location: Hertfordshire
Posts: 176

England 2006 Discovery 3 TDV6 HSE Lux Auto Java BlackDiscovery 3

I’ll give it a try. Surly there would be signs that the stat is stuck during normal running though no??
  
Post #19128579th Feb 2018 5:41 pm
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 4499

England 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

The only sign would be the heater takes longer to get hot, they are designed to fail "safe" open, that dosn't necessarily mean fully open, but not fully closed.
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #19128599th Feb 2018 5:46 pm
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Felstmiester
 


Member Since: 12 Dec 2016
Location: Hertfordshire
Posts: 176

England 2006 Discovery 3 TDV6 HSE Lux Auto Java BlackDiscovery 3

Ok thanks I’ll check Thumbs Up
  
Post #19128989th Feb 2018 8:19 pm
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Oiley
 


Member Since: 17 Jan 2015
Location: Kent
Posts: 169

United Kingdom 2005 Discovery 3 TDV6 S Manual Cairns BlueDiscovery 3

Felstmiester wrote:
Believe me I have searched on here and over on the rrs forum as well as google. The fact it starts fine without running fbh definitely points to the fact it’s something to do with the engine thinking it’s warm and cutting the glow plug cycle out ( let’s face it the engine should be warm ) the fact that it does this after running the fbh for 30 mins is not normal as I’ve read story’s where people’s discos or rr have completely shot glow plugs and running a fbh for 30 mins totally solves the non starting issue. As said ours doesn’t have a problem starting without. Only other thing I’ve read that possibly could cause this problem is water temp sensor or oil temp sensor. These have both recently been done. There is only one forum member that I know of that has the exact same problem but he’s said it doesn’t bother him that his ticks over lumpy as he just leaves it ticking over for a few minutes and it clears itself. It really is a rare one.


have look at your thermostat as a possible problem.
  
Post #19129279th Feb 2018 9:33 pm
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